Barnstable County https://en.wikipedia.org/wiki/Barnstable_County,_Massachusetts https://en.wikipedia.org/wiki/Category:Barnstable_County,_Massachusetts https://www.wikidata.org/wiki/Q54089 A county located in the Commonwealth of Massachusetts, consisting of Cape Cod and associated islands. The county seat is Barnstable. Barnstable County borders Plymouth County to the northwest; off Barnstable County's southern shore are Dukes County and Nantucket. Barnstable County, Massachusetts Cape Cod